Wrench.



` ff it the slidingujawf` with means yfor"locking,the

` i5 1 and'eiiicientmeans orholding the dogfinto 20 of parts, as will he hereinafterfmore fully de- .,scribed, illustrated in the v" aecompanying-l y l -f returned to its? normal `positionfin engage yfment withthe" teethpl'8 f after thereleasemen To all @from annoncera: l f` Beitlmown that I, vvl-IARRYIE; Rosina "'citi-y zen of the United States, residing 'at GreeneA field, inthe county .of Blainel andState of;l Oklahoma, have invented certainlnewand n onefface thereof andy thumb. gripping exten; la

u useful' Improvements in Wrenches, of,

the following is 'a speoiiioation.

. v ,y ThisV invention` 'relates to. wrenches,fand

" i `has yfor its, primary Iobject to ,provide a shank having a v sliding jawr Aand toY1 provide ,A

i same'inany desired position-(intheshank...

drawings and claimed,l e l y n In the drawings: Figure 1'y isan edgeview of ther wrench. vFig/2 is a sideelevationali` 1 view,showing partsinfsection.' Fig. 3 isa transverse section onf` line -oZ/Fig. l2. Fig. 4 isadetail"perspectiveview of the cam`l` l Another object is to providejthesliding jaw withadog which vis adapte'd'togengage- .t the yteeth on theshank and to fprov1d`3 anovel,

' or outof engagement withlfzthe teeth.` .t 1* y With theseandotherfob ects 1n view, the

y invention consists inthe `novel features of "1 construction, combinationxand arrangement face actuating' member.

Referring" to l,the drawings-by numerals, 1y

` rf designates thei shank which is provided Vat f I one end with a iiXed jaw 2 and at itsopposite' A n .n i h y h Y `w1sh ytobe limited'thereto `except 'for vsuch l :limitations asgtheclaimsmayimport: s

end with' a *reduced extension ,3,` ahandle` 4 Aon eitherlsidethereof. TeethQS,` are formed' f A `hollow jaw 9 is slldably the shankl by means of openings l() formed thereinfthrongh which the shank extends; Ay

dog I1 is pivoted ywithin thev slidable [j aw, asv i g l .iat l2`an`d has",y teeth on the free fend@y thereof i t l for engagement with the teeth 8 ofthe shank: l

l 1.a" Slotted.lateraietensionsQ13 are formed nponthe dog-,l1 and are adaptedto receivel therebetween one endroit, a .rod 14, a pin r1 5 being `.passedthrough the rend of the rod and," the slottedfextensionslin order to pivotallyk connect "the rod to the do'g` A,'lhisrod'eX-` L upon `the lower `wall of thechannel" 6 and*` the outer edges Vof the flanges 7 haveA their-upper edges vterminating @short yot tends through an Opening, in,tlmrjw51` `has looselyy .mountedupon the` outeryjnendf f Cam faces QO-areiformedinone A -berltijby meanisof the',grippngportionsr,- the,A rod 14 will bemoved to; move .they dog?y lwalhofthehollow jaw 9 and the otherend in `engagementafwith 'the v.extensions Thue itV member 16.

f connection? with the accompanying drawings, it isthoughtthat'the construction andopera-y tion of thedevice will `be 'felearlyffunderstood and whil'e'lghaverherein shown and; described y'teethfforined therein, a slidable jawkinoul'itfk ed onsaid Shank,"a dog pivoted` withinusaid mounted upon v eam `lslirfaees of said member "adapted to en-f vto move; jsaid-y ,dog 1n locking l` engagement "f, i2, A wrench comprising a shank `having ar 'channel ormedyin, `one farce thereof,I teeth -li,:`n"n'iedL f in the bottom of' said fchannel, the sides of :said v `'channel yforming upstanding a angea'jsaida-ngesffprojeetingabove thegii'p-f per face ofsaid teeth, aslidablefjawnountn "nfARRYj nffnosri,"onGrignani?anni),fOKLAHOMA@AL t ratentasetlja;

and; thereof a camk actuating memberl. n The; cam yactuating memberl comprisesfa f diskjhaving :camjsurfaees'l? formedupon` sionsf1'8-lformeduponfthewopposite facejff thereof` to provide `for actuatingv the same, f pin .19,beingwpassed through asuitable open-i ing in the rod: 14in orderftoprevent upward movement 'of the member'l'. f g l K v i -faceofrthe u jaw 9 for engagement by 'thefcamyfaces'lo the memberk `16 so thatfbyturning, the y*Ineinf from' engagement with the teeth k8.1 t spr1ng32l `isarrangedabout the rodf 1,34, hav l u ing oneV end in engagement with thelin'nerf will? be understoodthat the `d(egli;'willi-loe of thel rod 14 "caused" by theV turning off the;

one specic 'form' of my"l invention", lI y `dol notj l. `A .wrench Acomprising jaw `for, engagement withlsaidlteeth,ajro n carried bysaidjdog andprojecting exteriorly: of the jawfamemberv loosely vmounted onpt! y said rodeam surfacesformed?jonisaid'member, `cam surfaces..formed'onf-:said jaw, @the ethe camsurfacesof said jaw,fandjmeans,

With Saidteeth, n

2 n v 1,152,764 Y ed on said shank, a dog pvoted Within vsaid and means to move said dog into locking en- 10 jaw-'for engagement With said teeth, said gagement with said teeth. v

jaw engaging the upper edges of said In testimony Whereof affix my signature flanges, the rod carried by said dogproj'ectin presence of two Witnesses.v

5 ing exterorly of said jaw, a member loosely Vmounted on said rod, cam faces formed on HARRY E' ROSE' said member, cam surfaces formed on said Witnesses: jaw, thecam surfaces of said member adapt- ROY F. BROWER, ed t0 engage the 0am surfaces of said ja-W', FRANK A. DILL.

Copies of this patent may be obtained for ve cents each, by addressing*A the Commissioner of Patents, Washington, D. C. 

